Title:
Wall block
Document Type and Number:
United States Patent D295788
Inventors:
Forsberg, Paul J. (Richfield, MN)
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Application Number:
D/013383
Publication Date:
05/17/1988
Filing Date:
02/11/1987
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Referenced by:
Export Citation:
Assignee:
Keystone Retaining Wall Systems, Inc. (Edina, MN)
Primary Class:
Other Classes:
D25/116
Field of Search:
405/284, 405/285, 405/286, 405/33, 404/41, 404/42, 404/34, 52/608, 52/605, D25/113, D25/114, D25/116, D25/58
US Patent References:
| 0126547 | May, 1872 | Hickcox | ||
| 0228052 | May, 1880 | Frost | ||
| 0566924 | September, 1896 | Morrin | ||
| 0810748 | January, 1906 | Haller et al. | ||
| 1092621 | April, 1914 | Worner | ||
| 1222061 | April, 1917 | Bartells | D25/113 | |
| 1414444 | Building tile | May, 1922 | Straight | |
| 1456498 | Brick or tile for furnace construction | May, 1923 | Binns | |
| 2235646 | Masonry | March, 1941 | Schaffer | |
| 2882689 | Dry wall of bricks | April, 1959 | Huch et al. | 405/284 |
| 2963828 | Building blocks and means for assembling same | December, 1960 | Belliveau | |
| 3036407 | Building block assembly | May, 1962 | Dixon | |
| 3274742 | Refractory wall construction | September, 1966 | Paul, Jr. et al. | |
| 3390502 | Brick and wall construction | July, 1968 | Carroll | |
| 3430404 | APERTURED WALL CONSTRUCTION | March, 1969 | Muse | |
| 3557505 | January, 1971 | Kaul | ||
| 3936987 | Interlocking brick or building block and walls constructed therefrom | February, 1976 | Calvin | |
| 3995434 | Wave dissipating wall | December, 1976 | Kato et al. | |
| 4016693 | Insulated masonry block | April, 1977 | Warren | 52/605 |
| 4110949 | Building block | September, 1978 | Cambuzzi et al. | |
| 4207718 | Concrete block wall | June, 1980 | Schaaf et al. | |
| 4208850 | Connector for knock-down cabinet | June, 1980 | Collier | |
| 4228628 | Building blocks and connector means therefor | October, 1980 | Schlomann | |
| 4229123 | Inclined retaining wall and element therefor | October, 1980 | Heinzmann | |
| 4454699 | Brick fastening device | June, 1984 | Strobl | |
| 4496266 | Curved like paving stone element for use in setting a curved paving | January, 1985 | Ruckstuhl | D25/80 |
| 4524551 | Construction units for the erection of walls and method of utilization | June, 1985 | Scheiwiller | |
| 4572699 | Paving stone | February, 1986 | Rinninger |
Foreign References:
| FR392474 | November, 1908 | |||
| GB1385207 | February, 1975 |
Other References:
The Besser Company Bulletin, Feb. 1985.
The Hollow Building Tile Assoc. Handbook, p. 11, Jan. 1924.
The Hollow Building Tile Assoc. Handbook, p. 11, Jan. 1924.
Primary Examiner:
Word, Hugo A.
Attorney, Agent or Firm:
Burd, Bartz & Gutenkauf
Claims:
1. The ornamental design of a wall block, substantially as shown anddescribed.
Description:
FIG. 1 is a perspective view of a wall block showing my new design;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a side view thereof, the opposite being a mirror image thereof;
FIG. 5 is a front view thereof; and
FIG. 6 is a rear view thereof.